start new fragment from fragment code example

Example 1: how to start a fragment

HomeFragment fragment1 = new HomeFragment();
        FragmentTransaction ft1 = getSupportFragmentManager().beginTransaction();
        ft1.replace(R.id.content, fragment1, "");
        ft1.commit();

Example 2: open new fragment from fragment

button.setOnClickListener {
    activity!!
        .supportFragmentManager
        .beginTransaction()
        .replace(R.id.container, NewFragment.newInstance())
        .commitNow()
}